CVE-2021-4481 Dräger Protector Software Local Privilege Escalation via Insecure File Permissions
Local attackers can escalate privileges to SYSTEM by replacing binaries due to insecure file permissions in Dräger Protector Software.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-4481?
CVE-2021-4481 is a high-severity vulnerability in Dräger Protector Software, published on 2 Jun 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Dräger Protector Software prior to version 6.4.2 contains a local privilege escalation vulnerability due to insecure file system permissions that allows local attackers to execute arbitrary code with elevated privileges. Attackers can replace binaries or loaded modules on the host system to execute code with NT SYSTEM privileges.
Weakness: CWE-732
Which versions are affected by CVE-2021-4481?
How do I fix CVE-2021-4481?
No fix has been published for CVE-2021-4481 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-4481 being exploited?
There is no known exploitation of CVE-2021-4481 in the wild and no public exploit code.
Sources
Also known as GHSA-766g-x59x-554c.